Home / 5,221.12-7,204.68-2,983

Finding the Fourth Proportional to 5,221.12, 7,204.68 and 2,983

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Solution

The fourth proportional to 5,221.12, 7,204.68 and 2,983 is: 4,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.12 : 7,204.68 = 2,983 : x
  2. Step 2: Convert to fraction form
    5,221.12/7,204.68 = 2,983/x
  3. Step 3: Cross multiply
    5,221.12x = 7,204.68 × 2,983
  4. Step 4: Simplify right side
    5,221.12x = 21,491,560.44
  5. Step 5: Solve for x
    x = 21,491,560.44/5,221.12
  6. Step 6: Final answer
    x = 4,116.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.